CPWD Analysis of Rates · Water Proofing
Providing and laying integral cement based treatment for water proofing on horizontal surface at all depth below ground level for under ground structures as directed by Engineer-in-Charge and consisting of : (i) Ist layer of 22 mm to 25 mm thick approved and specified rough stone slab over a 25 mm thick base of cement mortar 1:3 (1 cement : 3 coarse sand) including applying of twice ( at base and top of mortar ) cement slurry @ 2.2kg/m2 (each time) mixed with water proofing compound conforming to IS:2645 in the recommended proportion over the leveling course (leveling course to be paid separately). Joints sealed and grouted with cement slurry mixed with water proofing compound. (ii) 2nd layer of 25 mm thick cement mortar 1:3 (1 cement: 3 coarse sand) mixed with water proofing compound in recommended proportions. (iii) Finishing top with stone aggregate of 10 mm to 12 mm nominal size spreading @ 8 cudm/ sqm thoroughly embedded in the 2nd layer
Using rough kota stone
- Item number
- 22.1.1
- Analysis basis
- Details of cost for 10.00 sqm
- Priced inputs
- 13
- Derived rate
- ₹1,515.60 / sqm
Under the CPWD Delhi Analysis of Rates 2023 (Civil), item 22.1.1 — Providing and laying integral cement based treatment for water proofing on horizontal surface at all depth below ground level for under ground structures as directed by Engineer-in-Charge and consisting of : (i) Ist layer of 22 mm to 25 mm thick approved and specified rough stone slab over a 25 mm thick base of cement mortar 1:3 (1 cement : 3 coarse sand) including applying of twice ( at base and top of mortar ) cement slurry @ 2.2kg/m2 (each time) mixed with water proofing compound conforming to IS:2645 in the recommended proportion over the leveling course (leveling course to be paid separately). Joints sealed and grouted with cement slurry mixed with water proofing compound. (ii) 2nd layer of 25 mm thick cement mortar 1:3 (1 cement: 3 coarse sand) mixed with water proofing compound in recommended proportions. (iii) Finishing top with stone aggregate of 10 mm to 12 mm nominal size spreading @ 8 cudm/ sqm thoroughly embedded in the 2nd layer Using rough kota stone — is derived from 13 priced inputs for 10.00 sqm and works out to ₹1,515.60 per sqm after water charges, GST, CPOH and cess. The full build-up is below.
- Ist layer
- Cement mortar 1:3 for fixing of stone 10x0.025
- = 0.25 cum
- Kota stone slab = 10 sqm
- Wastage @ 10% = 1 sqm
- Total = 11 sqm
- Cartage 11x0.025 @ 2330 kg/m3 = 0.64 t
- Cement mortar 1:3
- 10x0.025 = 0.25 cum
- Wastage @ 12% = 0.03 cum
- Total = 0.28 cum
- for slurry Bed
- 2x10.00 @ 2.20kg/m2 = 44.00 kg
- Joints
- 4x3.7x0.02x0.025 = 0.0074 cum
- 25x0.56x0.02x0.025 = 0.0070 cum
- Total= 0.0144 cum @ 1440 kg/cum=20.74 kg
- Total = 64.74 kg or 0.065 tonne
- Mortar = 0.25 + 0.28 = 0.53 cum
- Cement in 0.53 cum @ 5.1 q/cum = 2.7 quintal
- Cement in slurry = 0.65 quintal
- Total = 3.35 quintal =6.70 bags of 50 kg of
- cement
- spreadig@ 8 cudm/sqm= 1x10x8x1/1000 = 0.08
- cum
- Labour for base mortar & kota stone laying i/c
- slurry job
- Labour for top layer & spreading stone grit
| Code | Input | Unit | Quantity | Rate (INR) | Amount (INR) |
|---|---|---|---|---|---|
| Rate as per Item Number 3.8 of SH: MORTARSRate as per item 3.8Sub-analysis | cum | 0.25 | 4,881.95 | 1,220.49 | |
| 1169 | Kotastone slab 25mm thick (rough cheseled)Kota stone slab 25 mm thick (rough chiseled)Material | sqm | 11 | 280.00 | 3,080.00 |
| Rate as per Item No.3.8 of SH: MORTARSRate as per item 3.8Sub-analysis | cum | 0.28 | 4,881.95 | 1,366.95 | |
| 0367 | Portland Cement (OPC-43 grade)Material | tonne | 0.065 | 5,156.00 | 335.14 |
| 1213 | Water proofing materials@0.10 kg per 50 kg of cement usedWater proofing materialsMaterial | kilogram | 0.67 | 45.00 | 30.15 |
| 0296 | Stone Aggregate (Single size) : 12.5 mm nominal sizeMaterial | cum | 0.08 | 1,400.00 | 112.00 |
| 0125 | Mason (for plain stone work) 2nd classLabour | day | 1.2 | 816.00 | 979.20 |
| 0114 | BeldarLabour | day | 1 | 736.00 | 736.00 |
| 0115 | CoolieLabour | day | 1 | 736.00 | 736.00 |
| 0125 | Mason (for plain stone work) 2nd classLabour | day | 1.08 | 816.00 | 881.28 |
| 0114 | BeldarLabour | day | 1.08 | 736.00 | 794.88 |
| 0101 | BhistiLabour | day | 0.45 | 816.00 | 367.20 |
| 9999 | SundriesMaterial | L.S. | 6.24 | 2.27 | 14.16 |
- TOTAL
- 10,653.45
- Add 1 % Water charges on “W”
- 106.53
- TOTAL
- 10,759.98
- Add GST on “X” (multiplying factor 0.2127)
- 2,288.65
- TOTAL
- 13,048.63
- Add 15% CPOH on “Y”
- 1,957.29
- TOTAL
- 15,005.92
- Add Cess @ 1% on “Z”
- 150.06
- Cost for 10.00 sqm
- 15,155.98
- Cost for 1 sqm
- 1,515.60
- Say
- 1,515.60
From the CPWD Delhi Analysis of Rates 2023 (Civil), Volumes I & II, printed page 1845. Reference only — CPWD amends rates through correction slips between editions, so verify against the official source before pricing a bid.
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